【单选题】With a unified national smart grid, homes and businesses with solar panels on their roofs can act as a small utility company when they have surplus power, meaning they can sell it back into the system...
A.
有了统一的国家智能电网,屋顶上装有太阳能面板的家庭和企业就可以扮演着小型公用事业公司的角色,这就意味着当他们有剩余电力时,可以把电卖给电网。
B.
有了统一的国家智能电网,屋顶上装有太阳能电池板的家庭和企业就可以扮演着小型电力公司的角色,这就意味着当他们有剩余电力时,可以把电卖给电网。
C.
有了统一的国家智能电网,屋顶上装有太阳能的家庭和企业就可以扮演着小型电力公司的角色,这就意味着当他们有剩余电力时,可以把电卖给电网。
D.
在统一的国家智能电网里,屋顶上装有太阳能装置的家庭和企业就可以扮演着小型电力公司的角色,这就意味着当他们有剩余电力时,可以把电卖给系统。
【单选题】进行紫外分光光度计的杂散光检查时所用的溶液为NaNO3溶液和( )溶液。
【单选题】以《十面埋伏》为代表的章回体音乐,不具有下列哪一个特点?
A.
章回体形式设计源自中国小说的文学结构,每一章都有完整性和独立性
B.
每一章都有单独的标题,演奏者往往会背诵小标题
C.
演奏者会根据个人审美和演出时长等限制,对曲目的章回进行取舍
D.
尽管章回体音乐版本复杂,但是流派清晰规律清楚容易记诵
【单选题】Businesses are more willing to sell a product when the price _____ and less willing to sell it when prices _____.
【简答题】Which of the following statements about sales tax is/are true? 1 Sales tax charged on purchases is an expense to a business if the business is not sales taxregistered.2 Sales tax is charged by all bus...
【单选题】Homes and businesses can act __ a small utility company, when they have surplus power,meaning they can sell it back into the system.